3(s+-3)=-12

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Solution for 3(s+-3)=-12 equation: 



3(s+-3)=-12

We move all terms to the left:

3(s+-3)-(-12)=0

We add all the numbers together, and all the variables

3(s-3)-(-12)=0

We add all the numbers together, and all the variables

3(s-3)+12=0

We multiply parentheses

3s-9+12=0

We add all the numbers together, and all the variables

3s+3=0

We move all terms containing s to the left, all other terms to the right

3s=-3

s=-3/3

s=-1

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